package com.heima.article.listen;

import com.alibaba.fastjson.JSON;
import com.heima.article.service.ArticleService;
import com.heima.common.constants.HotArticleConstants;
import com.heima.model.article.mess.ArticleVisitStreamMess;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.kafka.annotation.KafkaListener;
import org.springframework.kafka.core.KafkaTemplate;
import org.springframework.stereotype.Component;

@Component
@Slf4j
public class ArticleIncrHandleListener {
    @Autowired
    private ArticleService articleService;

    @KafkaListener(topics = HotArticleConstants.HOT_ARTICLE_INCR_HANDLE_TOPIC)
    public void onMessage(String message){
        if (StringUtils.isNotBlank(message)) {
            //反序列化原来对象
            ArticleVisitStreamMess mess = JSON.parseObject(message, ArticleVisitStreamMess.class);
            //执行发放，修改分数
           articleService.updateScore(mess);
        }
    }
}
